ceph/src/boost/libs/smart_ptr/test/allocate_local_shared_arrays_test.cpp

   1 /*
   2 Copyright 2017 Glen Joseph Fernandes
   3 (glenjofe@gmail.com)
   4
   5 Distributed under the Boost Software License, Version 1.0.
   6 (http://www.boost.org/LICENSE_1_0.txt)
   7 */
   8 #include <boost/config.hpp>
   9 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && \
  10     !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && \
  11     !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
  12 #include <boost/core/lightweight_test.hpp>
  13 #include <boost/smart_ptr/make_local_shared.hpp>
  14
  15 template<class T = void>
  16 struct creator {
  17     typedef T value_type;
  18
  19     template<class U>
  20     struct rebind {
  21         typedef creator<U> other;
  22     };
  23
  24     creator() { }
  25
  26     template<class U>
  27     creator(const creator<U>&) { }
  28
  29     T* allocate(std::size_t size) {
  30         return static_cast<T*>(::operator new(sizeof(T) * size));
  31     }
  32
  33     void deallocate(T* ptr, std::size_t) {
  34         ::operator delete(ptr);
  35     }
  36 };
  37
  38 template<class T, class U>
  39 inline bool
  40 operator==(const creator<T>&, const creator<U>&)
  41 {
  42     return true;
  43 }
  44
  45 template<class T, class U>
  46 inline bool
  47 operator!=(const creator<T>&, const creator<U>&)
  48 {
  49     return false;
  50 }
  51
  52 int main()
  53 {
  54     {
  55         boost::local_shared_ptr<int[][2]> result =
  56             boost::allocate_local_shared<int[][2]>(creator<int>(), 2, {0, 1});
  57         BOOST_TEST(result[0][0] == 0);
  58         BOOST_TEST(result[0][1] == 1);
  59         BOOST_TEST(result[1][0] == 0);
  60         BOOST_TEST(result[1][1] == 1);
  61     }
  62     {
  63         boost::local_shared_ptr<int[2][2]> result =
  64             boost::allocate_local_shared<int[2][2]>(creator<int>(), {0, 1});
  65         BOOST_TEST(result[0][0] == 0);
  66         BOOST_TEST(result[0][1] == 1);
  67         BOOST_TEST(result[1][0] == 0);
  68         BOOST_TEST(result[1][1] == 1);
  69     }
  70     {
  71         boost::local_shared_ptr<const int[][2]> result =
  72             boost::allocate_local_shared<const int[][2]>(creator<>(), 2, {0, 1});
  73         BOOST_TEST(result[0][0] == 0);
  74         BOOST_TEST(result[0][1] == 1);
  75         BOOST_TEST(result[1][0] == 0);
  76         BOOST_TEST(result[1][1] == 1);
  77     }
  78     {
  79         boost::local_shared_ptr<const int[2][2]> result =
  80             boost::allocate_local_shared<const int[2][2]>(creator<>(), {0, 1});
  81         BOOST_TEST(result[0][0] == 0);
  82         BOOST_TEST(result[0][1] == 1);
  83         BOOST_TEST(result[1][0] == 0);
  84         BOOST_TEST(result[1][1] == 1);
  85     }
  86     return boost::report_errors();
  87 }
  88 #else
  89 int main()
  90 {
  91     return 0;
  92 }
  93 #endif